package com.NyCloud.exception;
import cn.dev33.satoken.util.SaResult;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@RestControllerAdvice
public class GlobalExceptionHandler {
    // 全局异常拦截
    @ExceptionHandler
    public SaResult handlerException(Exception e) {
        e.printStackTrace();
        return SaResult.error(e.getMessage());
    }

    @ExceptionHandler(DataIntegrityViolationException.class)
    public SaResult handlerException2(Exception e) {
        e.printStackTrace();
        return SaResult.error("用户名被占用");
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public SaResult handleValidationExceptions(MethodArgumentNotValidException ex) {
        Map<String, String> errors = new HashMap<>();
        ex.getBindingResult().getAllErrors().forEach((error) -> {
            String fieldName = ((FieldError) error).getField();
            String errorMessage = error.getDefaultMessage();
            errors.put(fieldName, errorMessage);
        });
        return SaResult.data(errors);
    }
}
